The formula is ? = (lower-right number) x [(top number) - (lower-left number)]. Plugging it in for the last triangle, that makes the answer 7 x (5 - 4) = 7.
You are viewing a single comment's thread from:
The formula is ? = (lower-right number) x [(top number) - (lower-left number)]. Plugging it in for the last triangle, that makes the answer 7 x (5 - 4) = 7.
Wow, impressively quick and perfect (as usual)! :-)